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<title>Step 1: Creating a Replication Cluster</title>
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<h1 class="topictitle1">Step 1: Creating a Replication Cluster</h1>
<div><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001749288232_p1147103214422">A replication cluster consists of replication nodes. Creating a replication cluster includes creating a replication control cluster and a replication service cluster, configuring the replication network, and authenticating the clusters. You need to create replication clusters on DeviceManager of the local and remote storage systems.</p>
<div class="section" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001749288232_en-us_topic_0000001118393084_en-us_topic_0282068104_section142552624420"><h4 class="sectiontitle">Context</h4><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_p71151128124413">A replication cluster consists of a replication control cluster and a replication service cluster.</p>
<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_ul1111437194514"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0160411146_li139962595514">The replication control cluster manages cluster nodes and metadata and contains 3, 5, 7, and 9 nodes. Detailed rules are as follows:<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0200898151_en-us_topic_0200654548_ul1117320288910"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0200898151_li315618262047">If the cluster contains 3 or 4 nodes, configure 3 nodes.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0200898151_li191067518416">If the cluster contains 5 or 6 nodes, configure 5 nodes.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0200898151_en-us_topic_0200654548_li417314287915">If the cluster contains 7 to 32 nodes, configure 7 nodes.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0200898151_li248249103815">If the cluster contains 33 nodes or more, configure 9 nodes.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0160339573_li161361011122613">A replication control cluster can be configured with a maximum of nine nodes, and a maximum of four faulty nodes are tolerated in the cluster, improving the cluster reliability.</li></ul>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0282068104_en-us_topic_0160411146_li1999619591052">The replication service cluster manages remote replication pairs and contain 3 to 64 nodes.</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_section189881627142516"><h4 class="sectiontitle">Precautions</h4><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_p1459103117259">Ensure that the DeviceManager version of the remote storage system is not earlier than that of the local storage system. Otherwise, the replication will fail.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_s53a52578e372467ea066c3dc2d24f431"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_oce0d6e35f97348968a8b2c1e600501d7"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001749288232_en-us_topic_0000001118393084_en-us_topic_0282068104_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_li5836114702317"><span>Log in to DeviceManager of the local and remote storage systems in sequence.</span></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_lfc849673172b470587bd8270f9dbaa98"><span>Choose <span class="menucascade" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_menucascade754018382466"><b><span class="uicontrol" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_uicontrol4540138154613">Data Protection</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_uicontrol15215642104611">Configuration</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_uicontrol1217334417466">Replication Cluster</span></b></span>.</span></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_li148516485569"><span>Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b1891389120">Create</strong>.</span><p><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_p19212630135116">The <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_b1214910014339">Create Replication Cluster</strong> wizard page is displayed.</p>
<p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p560185162813"></p>
</p></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_li184662010195712"><span>Create a replication control cluster.</span><p><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_p5398643131317">A replication control cluster can be created in <span class="parmvalue" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_parmvalue133981043121314"><b>Recommended</b></span> or <span class="parmvalue" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_parmvalue83981543191317"><b>Custom</b></span> mode.</p>
<p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_p15233815131017"><span class="parmvalue" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_parmvalue11392171211198"><b>Recommended</b></span> is supported when there are at least 3 nodes available and the metadata storage locations of all nodes are physical disks or system disk partitions. In other scenarios, only <span class="parmvalue" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_parmvalue5254573199"><b>Custom</b></span> is supported.</p>
<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ul1738372133518"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li103831421193519"><strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b129362610216">Recommended</strong><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_p538193917212"><span><img id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_image103811039192117" src="en-us_image_0000001748025530.png"></span></p>
<ol type="a" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_ol148710464274"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_li14873463271">Set the cluster name.<div class="note" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_note68654662719"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_ul2086154610273"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_li1861046162713">The name contains 1 to 31 characters.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_li1386546132712">A replication control cluster name contains only letters, digits, underscores (_), and hyphens (-).</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_li168784692719">In the <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_b173916241710">Selected Nodes</strong> area, view node configurations.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_li1387124611275">Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b16173194210407">Submit</strong>.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_li487446182719">Wait until the configuration is successful, and then click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b89481423134714">Next</strong>.</li></ol>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li563383810359"><strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b157761516217">Custom</strong><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_p1768173216277"><span><img id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_image1876853272714" src="en-us_image_0000001747866634.png"></span></p>
<ol type="a" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ol164678369433"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li2467936144315">Set the name of the replication control cluster.<div class="note" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_note6308103611439"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ul1308836144312"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li123086362436">The name contains 1 to 31 characters.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li130823612436">A replication control cluster name contains only letters, digits, underscores (_), and hyphens (-).</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li0791163718">In <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b115761368215">Metadata Storage Location</strong>, select the location to store the metadata.<div class="p" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p103571347712"><a href="#EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_table1187816501115">Table 1</a> describes the selection of replication service metadata disks.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_table1187816501115"></a><a name="en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_table1187816501115"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_table1187816501115" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Replication service metadata disk selection</caption><colgroup><col style="width:49%"><col style="width:51%"></colgroup><thead align="left"><tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_row168781450712"><th align="left" class="cellrowborder" valign="top" width="49%" id="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.1"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p787810501512">Basic Service Metadata Disk (ZooKeeper Disk) Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="51%" id="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.2"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p6878175014112">Replication Service Metadata Disk Selection</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_row158784501916"><td class="cellrowborder" valign="top" width="49%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p1787812504120">Independent SAS disk or SSD</p>
</td>
<td class="cellrowborder" valign="top" width="51%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p48781250310">Use the basic service ZooKeeper disk as the replication service metadata disk.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_row1878135016115"><td class="cellrowborder" valign="top" width="49%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p18878250414">Independent SATA disk</p>
</td>
<td class="cellrowborder" valign="top" width="51%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p78793501019">Select an independent SAS disk or SSD as the replication service metadata disk, or select a system disk partition as the replication service metadata disk.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_row587910501915"><td class="cellrowborder" valign="top" width="49%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p11879105019115">System disk (SSD) partition</p>
</td>
<td class="cellrowborder" valign="top" width="51%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p19879165013118">Select a system disk partition as the replication service metadata disk.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_row487905019118"><td class="cellrowborder" valign="top" width="49%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p1987919509111">System disk (non-SSD) partition</p>
</td>
<td class="cellrowborder" valign="top" width="51%" headers="mcps1.3.4.2.4.2.3.2.3.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001119396766_en-us_topic_0281048140_p587919507119">Select an independent SAS disk or SSD as the replication service metadata disk.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="note" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_note10986730121114"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_ul2264204220112"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_li535292615118">The size of the metadata disk must be greater than 105 GB.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_li57181444115">If a system disk partition is used as the replication service metadata disk, the system disk must be:<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_ul2718194416111"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_li8718114411115">An SSD or SAS disk when the number of local storage pools is less than or equal to 4.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_li187181244161115">An SSD when the number of local storage pools is greater than 4.</li></ul>
</li></ul>
</div></div>
<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ul711017281772"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li4735032372">If you select <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b204914428229">Physical disk</strong>, specify <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b1350542172213">Disk Type</strong> and <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b250174232215">Disk Selection Mode</strong>.<div class="note" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_note10519183318"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_p5892193131515">Possible options are <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b20661195475320">SAS</strong>, <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b132841859195315">SATA</strong>, <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b148441418546">SSD card or NVMe SSD</strong>, <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b13332131735411">SSD</strong>, and <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b8899920145410">M.2 SSD</strong>. If <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b202022028175416">SSD card or NVMe SSD</strong> or <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b3682441165418">M.2 SSD</strong> is selected, you cannot select <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_b9761013155516">Specify Slot</strong>.</p>
<p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p03704443615"><strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b1540284543319">Disk Selection Mode</strong> can be:</p>
<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ul513852213513"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li191381022754"><strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b10992101218484">Specify Slot</strong>: Manually enter a slot number. A slot number ranges from 0 to 60.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li31324017513"><strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b35720591179">Manually Select</strong>: Manually select disks for each node.</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li16110122811715"><span class="parmname" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_parmname10962115725511"><b>System disk partition</b></span>: If you select <span class="parmname" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_parmname1773211494409"><b>System disk partition</b></span>, the system stores metadata in the <span class="filepath" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_filepath1273374911409"><b>/opt/ccdb_disk2</b></span> partition of the system disks.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_li864102752417"><strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001662537021_b1962144645320">Custom</strong>: You can select both physical disks and system disk partitions for use. This mode is used when you need to select different metadata storage locations for different nodes.</li></ul>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_li193106264298">Select the nodes to create the replication control cluster.<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_ul1611410164304"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_li1511451663015">If <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b2213051174811">Metadata Storage Location</strong> is set to <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b132151551184812">Physical disk</strong>, select the nodes and disks for creating the replication control cluster from <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b10217165111489">Available Nodes</strong>.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_li1617644183120">If <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b205645519481">Metadata Storage Location</strong> is set to <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b125875564810">System disk partition</strong>, select the nodes for creating the replication control cluster from <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b11592558487">Available Nodes</strong>.</li></ul>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li19991923142612">Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b1728110114014">Submit</strong>.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li86971225101413">Wait until the configuration is successful, and then click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b12381152114916">Next</strong>.</li></ol>
</li></ul>
</p></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_li984543545718"><span>Create a replication service cluster.</span><p><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_p19209710163210"><span><img id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_image1220991017329" src="en-us_image_0000001794786397.png"></span></p>
<ol type="a" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ol198632287199"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li1578552712198">Select the nodes to create the replication service cluster.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li1947243801910">Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b16133524171218">Submit</strong>.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li1847283861911">Wait until the creation is successful, and then click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b1067552517491">Next</strong>.</li></ol>
</p></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li152251682179"><span>Configure the network.</span><p><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001282130265_en-us_topic_0261644728_p428711320363"><span><img id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001282130265_en-us_topic_0261644728_image128761333610" src="en-us_image_0000002164661010.png"></span></p>
<ol type="a" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ol173635061915"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li20957195861812">Configure network information for replication nodes. <a href="#EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_table14361147121312">Table 2</a> describes related parameters.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_table14361147121312"></a><a name="en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_table14361147121312"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_table14361147121312" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Replication node network parameters</caption><colgroup><col style="width:34.150000000000006%"><col style="width:65.85%"></colgroup><thead align="left"><tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_row11368184701312"><th align="left" class="cellrowborder" valign="top" width="34.150000000000006%" id="mcps1.3.4.2.6.2.2.1.2.2.3.1.1"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_p1836864771320">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.85%" id="mcps1.3.4.2.6.2.2.1.2.2.3.1.2"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_p16376247201318">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_row937616479130"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_p6376847151319">Transmission Protocol</p>
</td>
<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_p1338464720132">Transmission protocol used by the replication network.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_row855782213143"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0149220467_p49171023181413">IP Address Range</p>
</td>
<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p2096041072311">IP address range of the replication network. </p>
<div class="note" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_note179142818414"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_ul1926207323"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_li1026218712212">Replication IP addresses cannot be the IP addresses of other network planes.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_li1826237726">The replication network cannot use the same subnet as other networks.</li></ul>
</div></div>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_row71691414224"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p1216121442217">Subnet Mask/Prefix</p>
</td>
<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.2 "><ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_ul642337162511"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_li442337112517">When an IPv4 address is used, this parameter indicates the subnet mask of the replication IPv4 address and identifies the subnet to which the IP address belongs.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_li14317377252">When an IPv6 address is used, this parameter indicates the prefix of the replication IPv6 address.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_row146032142220"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p154601821202219">Port</p>
</td>
<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.6.2.2.1.2.2.3.1.2 "><div class="p" id="EN-US_TOPIC_0000002170141500__en-us_topic_0261644730_en-us_topic_0241717152_en-us_topic_0192961540_en-us_topic_0163528237_en-us_topic_0159212976_p1446052192218">Port of the replication network.<div class="note" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001165411558_en-us_topic_0261644728_note67151927152516"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001165411558_en-us_topic_0261644728_ul1483843219215"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001165411558_en-us_topic_0261644728_li483815321924">If you directly configure the replication network in this step, you must select ports.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001165411558_en-us_topic_0261644728_li1973323913369">If a selected port has an IP address configured in its configuration file in advance and the IP address is in the specified IP address range, the system will allocate the IP address as a replication IP address.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001165411558_en-us_topic_0261644728_li583816321025">If a selected port has no IP address configured in its configuration file in advance, the system will allocate an available IP address from the specified IP address range as a replication IP address.</li></ul>
</div></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li5907102017238">Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b10271181517610">Preview</strong>.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li191691127173014">Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b14361933151311">Submit</strong>.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li123789112315">Wait until the creation is successful, and then click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b191709395718">Next</strong>.</li></ol>
</p></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_li837314175817"><span>Authenticate the cluster.</span><p><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_p983915583380"><span><img id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_image1471051514019" src="en-us_image_0000001747866638.png"></span></p>
<div class="p" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p49981426143410"><a href="#EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_tfbdcca8579b54079886814079cb239fe">Table 3</a> describes related parameters.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_tfbdcca8579b54079886814079cb239fe"></a><a name="en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_tfbdcca8579b54079886814079cb239fe"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_tfbdcca8579b54079886814079cb239fe" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Cluster authentication parameters</caption><colgroup><col style="width:34.150000000000006%"><col style="width:65.85%"></colgroup><thead align="left"><tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0143821276_row60004748"><th align="left" class="cellrowborder" valign="top" width="34.150000000000006%" id="mcps1.3.4.2.7.2.2.2.2.3.1.1"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0143821276_p28546445">Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="65.85%" id="mcps1.3.4.2.7.2.2.2.2.3.1.2"><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0143821276_p30560747">Description</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0143821276_row10577009"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.7.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_en-us_topic_0143821276_p51431433">Pre-Shared Key Label</p>
</td>
<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.7.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p14094593810">Identifies the pre-shared key of a cluster.</p>
<p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p5403163961915">[Value range]</p>
<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_ul11913329592"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li4418164781015">A pre-shared key label contains 5 to 32 characters.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_li4241828899">A pre-shared key label can contain only letters, digits, and underscores (_), and must start with a letter.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_row66591311914"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.7.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p12659918913">Pre-Shared Key</p>
</td>
<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.7.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p965918113914">Implements identity authentication. This parameter functions together with <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_b16140125921213">Pre-Shared Key Label</strong>.</p>
<p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_p233112518528">[Value range]</p>
<ul id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159213463_ul13371621161010"><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159213463_li19651719141020">A pre-shared key contains 8 to 31 characters.</li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159213463_li1334011393105">A pre-shared must contain special characters (excluding &lt;&gt;' &amp;") and any two types of the following characters: uppercase letters, lowercase letters, and digits.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_row14155151203411"><td class="cellrowborder" valign="top" width="34.150000000000006%" headers="mcps1.3.4.2.7.2.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p131551651133410">Confirm Pre-Shared Key</p>
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<td class="cellrowborder" valign="top" width="65.85%" headers="mcps1.3.4.2.7.2.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_en-us_topic_0000001794944489_en-us_topic_0000001282130265_en-us_topic_0261644728_en-us_topic_0241717456_en-us_topic_0192961397_en-us_topic_0163528235_en-us_topic_0159212976_p1715520511342">Confirms the pre-shared key.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</p></li><li id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_lf4b18ff409c247149f89bd804a9df938"><span>Click <strong id="EN-US_TOPIC_0000002170141500__en-us_topic_0000002167747592_en-us_topic_0000002164660626_b9655134813276">Submit</strong>.</span></li></ol>
</div>
</div>
<div>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000002205547729.html">Replicating Oracle Database Copies (Applicable to the OceanProtect E6000 Appliance)</a></div>
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